<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>打开对话框</title>
    <script src="event.js"></script>
</head>
<body>
<button onclick="onClick_OpenFile()">打开文件对话框</button>
<p/>
<button onclick="onClick_CustomOpenFile()">定制打开对话框</button>
<p/>

<button onclick="onClick_FileType()">选择文件类型</button>
<p/>

<button onclick="onClick_Directory()">选择目录</button>
<p/>
<button onclick="onClick_MultiSelection()">多选（文件和目录）</button>
<p/>
<button onclick="onClick_Callback()">通过回调函数返回选择结果</button>
<p/>
<label id="label"></label>
</body>
</html>
